Brief Trip Report Zihuatanejo 9/2 - 9/5

Although they have found COVID-19 on floors in hospitals, there have been no known cases of transmission from shoes.

I doubt anyone is even really looking. My wife has been cleaning our floors every day, sometimes several times a day to keep us safe. She goes out to run numerous errands almost every day, and we both have seen ill people spitting, coughing and sneezing everywhere they go. She also changes her shoes near the entrance to our home and showers after running her errands. A little extra precaution can't hurt when you're over 60.